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Elongatoolithus frustrabilis

Reptilia - Elongatoolithidae

Taxonomy
Elongatoolithus frustrabilis was named by Mikhailov (1994). It is considered to be a form taxon. Its type specimen is PIN 3143-126, an egg, and it is a 3D body fossil. Its type locality is Tugrikiyn-Shire [SMPE] (PIN coll. 3143), which is in a Campanian terrestrial horizon in the Djadokhta Formation of Mongolia.

Synonymy list
YearName and author
1994Elongatoolithus frustrabilis Mikhailov p. 113
2000Elongatoolithus frustrabilis Mikhailov p. 569
2004Elongatoolithus frustrabilis Watabe p. 19
2018Elongatoolithus frustrabilis Norell et al. p. 29
2019Elongatoolithus frustrabilis Simon et al. p. 2

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
Anthracosauria
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
Sauropsida
RankNameAuthor
classReptilia
subclassEureptilia()
Romeriida
Diapsida()
Archosauromorpha(Huene 1946)
Crocopoda
ArchosauriformesGauthier 1986
Eucrocopoda
Archosauria()
informalAvemetatarsalia
Ornithodira
Dinosauromorpha
Dinosauriformes
Dinosauria()
Theropoda()
familyElongatoolithidae
genusElongatoolithus
speciesfrustrabilis

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Elongatoolithus frustrabilis Mikhailov 1994
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Diagnosis
ReferenceDiagnosis
K. E. Mikhailov 1994Typical Elongatoolithus; reorientation of linear-tubercular pattern to rippled not characteristic. Predominant shell thickness (in equatorial part of egg) 1.1–1.3 mm, total range of thickness 0.8–1.5 mm (with elements of sculpture up to 1.6 mm). Egg size (150–170) x (60–70) mm.
Measurements
No measurements are available
Composition: hydroxyapatiteo
Entire body: yeso
Adult length: 10 to < 100o
Adult width: 1.0 to < 10o
Adult height: 1.0 to < 10o
Architecture: compact or denseo
Ontogeny: accretion, modification of partso
Grouping: solitaryo
Environment: terrestrialo
Locomotion: actively mobileo
Life habit: ground dwellingo
Diet: carnivoreo
Reproduction: oviparouso
Dispersal: direct/internalo
Dispersal 2: mobileo
Created: 2004-12-14 12:50:08
Modified: 2004-12-14 14:50:08
Source: o = order
Reference: Marsh 1875

Age range: base of the Late/Upper Campanian to the top of the Campanian or 83.50000 to 72.10000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Campanian83.6 - 72.1Mongolia (Omnogov) Elongatoolithus frustrabilis (37211)
Late/Upper Campanian83.5 - 70.6Mongolia (Omnogov) Elongatoolithidae indet. (53229) Elongatoolithus sp. (type locality: 118259)